Why do laptops have two graphics cards, Nvidia and Intel?

Nowadays, the processor which is in your laptops also comes with an integrated graphic chipset such as Intel HD graphic. But some computers also have a second graphic unit usually more powerful that can support heavy loads. read more

Nvidia one is the dedicated graphics card on your laptop. In general, when there is not so high demand of graphic intensive works, laptop uses the onboard graphics (Intel) and when there is works that demands high graphics like gaming, photo/video editing—laptops uses the dedicated graphics card (Nvidia). read more

Most of the things you do on the laptop probably don't need high-spec graphics. There should be an application running that associates applications with each graphics card. So if you are not bothered about battery life, simply make everything use the dedicated card rather than the Intel one. read more